rowynmarie2
rowynmarie2
07-03-2019
Mathematics
contestada
I have absolutely no clue how to do this
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Madi2343
Madi2343
07-03-2019
You subtract 45 by 0.
X^2+18x=-45
Add (18/2)^2 to both sides.
X^2+18x+(18/2)^2= -45+(18/2)^2
(X+18/2)^2=36
(X+9)^2=36
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